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Low-Fire Glaze Recipes

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Here are some low-fire glaze recipes from lower temperature to higher. Firing range is given in cones. Remember that percentages are by weight, not volume. Also, mix glaze batches using distilled water. Do small batches and test them whenever you are trying out a new glaze.

1-2-3 Waxy Matte, Cone 012-09

Note that this glaze does not add up to 100%. Rather, it is using the old "parts" system where parts, or portions, are of equal weight.

Curdle Blue, Cone 012-09

Caution: Poisonous Raw Materials

Cone 07 Cobalt Purple

Caution: Poisonous Raw Materials

  • Soda ash 15.2
  • Boric acid 60.6
  • Magnesium carbonate 7.6
  • Silica oxide 15.2
  • Cobalt oxide 1.5

Colemanite Liner, Cone 06

  • Feldspar 56.7
  • Colemanite 25.8
  • Zinc oxide 8.9
  • Silica oxide 3.1
  • Tin oxide 5.5

Cone 06 Clear

Caution: Poisonous Raw Materials

  • Soda ash 30
  • Lithium carbonate 9
  • Kaolin 22
  • Silica oxide 39

Cone 05 Base

  • Gerstley borate 65
  • Kaolin 15
  • Silica oxide 20
  • *** For blue against brown patterning, add 4% rutile, 1% cobalt oxide
  • *** For bright green against light brown, add 6% rutile, 1% copper carbonate

Cone 05 Matte

  • Gerstley borate 58.3
  • Kaolin 2.9
  • Silica oxide 38.8
  • *** For orange matte, add 4% rutile, 5% tin
  • *** For yellow-green matte, add 5% rutile, 2% copper carbonate

Cone 05 Matte II

  • Gerstley borate* 53 * if using a G.B. substitute, adjust for ratio as needed
  • Calicium carbonate 6.9
  • Zinc oxide 5.5
  • Kaolin 8.9
  • Silica oxide 25.7
  • *** For a brownish yellow-green with brown flecks, add 5% rutile, 2% copper carbonate

Cone 05-03 Marble Green Matte

Caution: Poisonous Raw Materials; Not for Use on Dinnerware.

Cone 04 Iron Black

Caution: Poisonous Raw Materials

  • Nepheline syenite 35.6
  • Lithium carbonate 7.6
  • Calicium carbonate 10
  • Bentonite 1.2
  • Red iron oxide 19.2
  • Silica oxide 26.4

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